Mercurial > projects > ddmd
annotate dmd/ScopeDsymbol.d @ 77:ad4792a1cfd6
more D-ification container accessing
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Sun, 29 Aug 2010 14:36:55 +0100 |
| parents | 7e0d548de9e6 |
| children | 43073c7c7769 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.ScopeDsymbol; |
| 2 | |
| 3 import dmd.Dsymbol; | |
| 4 import dmd.Declaration; | |
| 5 import dmd.Array; | |
| 6 import dmd.OverloadSet; | |
| 7 import dmd.Import; | |
| 8 import dmd.DsymbolTable; | |
| 9 import dmd.Identifier; | |
| 10 import dmd.Loc; | |
| 11 import dmd.PROT; | |
| 12 import dmd.FuncDeclaration; | |
| 13 import dmd.Scope; | |
| 14 import dmd.Util; | |
| 15 import dmd.Id; | |
| 16 import dmd.expression.Util; | |
| 17 | |
| 18 import core.stdc.stdlib; | |
| 4 | 19 import core.memory; |
| 0 | 20 |
| 21 class ScopeDsymbol : Dsymbol | |
| 22 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
23 Dsymbols members; // all Dsymbol's in this scope |
| 0 | 24 DsymbolTable symtab; // members[] sorted into table |
| 25 | |
| 26 Array imports; // imported ScopeDsymbol's | |
| 27 PROT* prots; // array of PROT, one for each import | |
| 28 | |
| 29 this() | |
| 30 { | |
| 31 // do nothing | |
| 32 } | |
| 33 | |
| 34 this(Identifier id) | |
| 35 { | |
| 36 super(id); | |
| 37 } | |
| 38 | |
| 72 | 39 override Dsymbol syntaxCopy(Dsymbol s) |
| 0 | 40 { |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
41 //printf("ScopeDsymbol.syntaxCopy('%s')\n", toChars()); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
42 |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
43 ScopeDsymbol sd; |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
44 if (s) |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
45 sd = cast(ScopeDsymbol)s; |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
46 else |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
47 sd = new ScopeDsymbol(ident); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
48 sd.members = arraySyntaxCopy(members); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
49 return sd; |
| 0 | 50 } |
| 51 | |
| 72 | 52 override Dsymbol search(Loc loc, Identifier ident, int flags) |
| 0 | 53 { |
| 54 //printf("%s.ScopeDsymbol.search(ident='%s', flags=x%x)\n", toChars(), ident.toChars(), flags); | |
| 55 //if (strcmp(ident.toChars(),"c") == 0) *(char*)0=0; | |
| 56 | |
| 57 // Look in symbols declared in this module | |
| 58 Dsymbol s = symtab ? symtab.lookup(ident) : null; | |
| 59 | |
| 60 if (s) | |
| 61 { | |
| 62 //printf("\ts = '%s.%s'\n",toChars(),s.toChars()); | |
| 63 } | |
| 64 else if (imports) | |
| 65 { | |
| 66 OverloadSet a = null; | |
| 67 | |
| 68 // Look in imported modules | |
| 69 for (int i = 0; i < imports.dim; i++) | |
| 70 { | |
| 71 ScopeDsymbol ss = cast(ScopeDsymbol)imports.data[i]; | |
| 72 Dsymbol s2; | |
| 73 | |
| 74 // If private import, don't search it | |
| 75 if (flags & 1 && prots[i] == PROT.PROTprivate) | |
| 76 continue; | |
| 77 | |
| 78 //printf("\tscanning import '%s', prots = %d, isModule = %p, isImport = %p\n", ss.toChars(), prots[i], ss.isModule(), ss.isImport()); | |
| 79 /* Don't find private members if ss is a module | |
| 80 */ | |
| 81 s2 = ss.search(loc, ident, ss.isModule() ? 1 : 0); | |
| 82 if (!s) | |
| 83 s = s2; | |
| 84 else if (s2 && s != s2) | |
| 85 { | |
| 86 if (s.toAlias() == s2.toAlias()) | |
| 87 { | |
| 88 /* After following aliases, we found the same symbol, | |
| 89 * so it's not an ambiguity. | |
| 90 * But if one alias is deprecated, prefer the other. | |
| 91 */ | |
| 92 if (s.isDeprecated()) | |
| 93 s = s2; | |
| 94 } | |
| 95 else | |
| 96 { | |
| 97 /* Two imports of the same module should be regarded as | |
| 98 * the same. | |
| 99 */ | |
| 100 Import i1 = s.isImport(); | |
| 101 Import i2 = s2.isImport(); | |
| 102 if (!(i1 && i2 && | |
| 103 (i1.mod == i2.mod || | |
| 104 (!i1.parent.isImport() && !i2.parent.isImport() && | |
| 105 i1.ident.equals(i2.ident)) | |
| 106 ) | |
| 107 ) | |
| 108 ) | |
| 109 { | |
| 110 /* If both s2 and s are overloadable (though we only | |
| 111 * need to check s once) | |
| 112 */ | |
| 113 if (s2.isOverloadable() && (a || s.isOverloadable())) | |
| 114 { if (!a) | |
| 115 a = new OverloadSet(); | |
| 116 /* Don't add to a[] if s2 is alias of previous sym | |
| 117 */ | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
118 foreach (size_t j, Dsymbol s3; a.a) |
| 0 | 119 { |
| 120 if (s2.toAlias() == s3.toAlias()) | |
| 121 { | |
| 122 if (s3.isDeprecated()) | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
123 a.a[j] = s2; |
| 0 | 124 goto Lcontinue; |
| 125 } | |
| 126 } | |
| 127 a.push(s2); | |
| 128 Lcontinue: | |
| 129 continue; | |
| 130 } | |
| 131 if (flags & 4) // if return null on ambiguity | |
| 132 return null; | |
| 133 if (!(flags & 2)) | |
| 134 ss.multiplyDefined(loc, s, s2); | |
| 135 break; | |
| 136 } | |
| 137 } | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 /* Build special symbol if we had multiple finds | |
| 142 */ | |
| 143 if (a) | |
| 144 { | |
| 145 assert(s); | |
| 146 a.push(s); | |
| 147 s = a; | |
| 148 } | |
| 149 | |
| 150 if (s) | |
| 151 { | |
| 152 Declaration d = s.isDeclaration(); | |
| 153 if (d && d.protection == PROT.PROTprivate && !d.parent.isTemplateMixin() && !(flags & 2)) | |
| 154 error("%s is private", d.toPrettyChars()); | |
| 155 } | |
| 156 } | |
| 157 return s; | |
| 158 } | |
| 159 | |
| 160 void importScope(ScopeDsymbol s, PROT protection) | |
| 161 { | |
| 162 //printf("%s.ScopeDsymbol.importScope(%s, %d)\n", toChars(), s.toChars(), protection); | |
| 163 | |
| 164 // No circular or redundant import's | |
| 165 if (s != this) | |
| 166 { | |
| 167 if (!imports) | |
| 168 imports = new Array(); | |
| 169 else | |
| 170 { | |
| 171 for (int i = 0; i < imports.dim; i++) | |
| 172 { | |
| 173 ScopeDsymbol ss = cast(ScopeDsymbol)imports.data[i]; | |
| 174 if (ss is s) // if already imported | |
| 175 { | |
| 176 if (protection > prots[i]) | |
| 177 prots[i] = protection; // upgrade access | |
| 178 return; | |
| 179 } | |
| 180 } | |
| 181 } | |
| 182 imports.push(cast(void*)s); | |
| 2 | 183 prots = cast(PROT*)GC.realloc(prots, imports.dim * prots[0].sizeof); |
| 0 | 184 prots[imports.dim - 1] = protection; |
| 185 } | |
| 186 } | |
| 187 | |
| 72 | 188 override int isforwardRef() |
| 0 | 189 { |
| 190 assert(false); | |
| 191 } | |
| 192 | |
| 72 | 193 override void defineRef(Dsymbol s) |
| 0 | 194 { |
| 195 assert(false); | |
| 196 } | |
| 197 | |
| 198 static void multiplyDefined(Loc loc, Dsymbol s1, Dsymbol s2) | |
| 199 { | |
| 200 static if (false) { | |
| 201 printf("ScopeDsymbol::multiplyDefined()\n"); | |
| 202 printf("s1 = %p, '%s' kind = '%s', parent = %s\n", s1, s1.toChars(), s1.kind(), s1.parent ? s1.parent.toChars() : ""); | |
| 203 printf("s2 = %p, '%s' kind = '%s', parent = %s\n", s2, s2.toChars(), s2.kind(), s2.parent ? s2.parent.toChars() : ""); | |
| 204 } | |
| 205 if (loc.filename) | |
| 206 { | |
| 207 .error(loc, "%s at %s conflicts with %s at %s", | |
| 208 s1.toPrettyChars(), | |
| 209 s1.locToChars(), | |
| 210 s2.toPrettyChars(), | |
| 211 s2.locToChars()); | |
| 212 } | |
| 213 else | |
| 214 { | |
| 215 s1.error(loc, "conflicts with %s %s at %s", s2.kind(), s2.toPrettyChars(), s2.locToChars()); | |
| 216 } | |
| 217 } | |
| 218 | |
| 219 Dsymbol nameCollision(Dsymbol s) | |
| 220 { | |
| 221 assert(false); | |
| 222 } | |
| 223 | |
| 72 | 224 override string kind() |
| 0 | 225 { |
| 226 assert(false); | |
| 227 } | |
| 228 | |
| 229 /******************************************* | |
| 230 * Look for member of the form: | |
| 231 * const(MemberInfo)[] getMembers(string); | |
| 232 * Returns NULL if not found | |
| 233 */ | |
| 234 FuncDeclaration findGetMembers() | |
| 235 { | |
| 236 Dsymbol s = search_function(this, Id.getmembers); | |
| 237 FuncDeclaration fdx = s ? s.isFuncDeclaration() : null; | |
| 238 | |
| 239 static if (false) { // Finish | |
| 240 static __gshared TypeFunction tfgetmembers; | |
| 241 | |
| 242 if (!tfgetmembers) | |
| 243 { | |
| 244 Scope sc; | |
| 245 Arguments arguments = new Arguments(); | |
| 246 Arguments arg = new Argument(STCin, Type.tchar.constOf().arrayOf(), null, null); | |
| 247 arguments.push(arg); | |
| 248 | |
| 249 Type tret = null; | |
| 250 tfgetmembers = new TypeFunction(arguments, tret, 0, LINK.LINKd); | |
| 251 tfgetmembers = cast(TypeFunction)tfgetmembers.semantic(0, &sc); | |
| 252 } | |
| 253 if (fdx) | |
| 254 fdx = fdx.overloadExactMatch(tfgetmembers); | |
| 255 } | |
| 256 if (fdx && fdx.isVirtual()) { | |
| 257 fdx = null; | |
| 258 } | |
| 259 | |
| 260 return fdx; | |
| 261 } | |
| 262 | |
| 263 void emitMemberComments(Scope sc) | |
| 264 { | |
| 265 assert(false); | |
| 266 } | |
| 267 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
268 static size_t dim(Dsymbols members) |
| 0 | 269 { |
| 270 assert(false); | |
| 271 } | |
| 272 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
273 static Dsymbol getNth(Dsymbols members, size_t nth, size_t* pn = null) |
| 0 | 274 { |
| 275 assert(false); | |
| 276 } | |
| 277 | |
| 72 | 278 override ScopeDsymbol isScopeDsymbol() { return this; } |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
279 } |